#587 Block Signal The Block Signal was first catalogued in 1939. “Operated like a real signal system. Permits one train to follow another on a single track without danger of collision.” Lighting SKU: 6-49833 Dimensions: Height: 7 1/2" Gauge: American Flyer/S Gauge price: 59.99 year: 0 rail line: None Minimum Radius: None Catalog Year: 2008 Catalog Title: Lionel Signature Catalog 2008 Volume 1 Road Number: None #587 BLOCK SIGNAL FEATURES: Signal illuminates to indicate an occupied block Metal construction Manuals Find the latest manuals in our support section. Replacement Parts Buy any replacement parts in our support section. Contact Contact a service station to fix your product